Rhinovirus is another well known cause for a common cold. A quick search result: webmd [1] gives 10%-40% for rhinovirus, 20% for coronavirus. CDC [2] has rhinov

Rhinovirus is another well known cause for a common cold. A quick search result: webmd [1] gives 10%-40% for rhinovirus, 20% for coronavirus. CDC [2] has rhinovirus as the most common cause, and adds: “ Other viruses that can cause colds include respiratory syncytial virus, human parainfluenza viruses, adenovirus, human coronaviruses, and human metapneumovirus.” [1] https://www.webmd.com/cold-and-flu/cold-guide/common_cold_causes https://www.webmd.com/cold-and-flu/cold-guide/common_cold_ca... [2] https://www.cdc.gov/features/rhinoviruses/index.html https://www.cdc.gov/features/rhinoviruses/index.html